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Tuesday, March 17, 2015

Men worry an awful lot about the size and/or shape of their penises. Size is (wrongly) associated with virility and masculinity. Most men worry needlessly about this issue. So here is science coming to the rescue. This article originally appeared at Salon.

Researchers polled over 15,000 men on the length and girth of their manhood, and the results are...surprising

The results of that age-old question are in: We know the length of the average human penis, and it is smaller than you’d probably expect it to be. Researchers have compiled all the existing data on penis size in what’s purported to be the most comprehensive analysis yet, with over 15,000 “data points” from men in the U.S., Europe, Africa and Asia helping them determine what is “normal.”

I’ll cut to the chase: According to the study, published this week in BJU International, the average penis is 5.16 inches long and 4.6 inches around when erect, and 3.6 inches long and 3.7 inches around when flaccid. The 15,521 participants in the 20 compiled studies ranged in age from 17 to 91, and exhibited quite a range in size. Only about 2.28 percent had abnormally small penises, which the researchers classified as being two standard deviations below the mean; the same percentage of men had abnormally large penises, two standard deviations above the mean.

While the study finds no evidence to suggest that penis size varies by race, the sample is still limited to a majority of European and Middle Eastern men; additional research could draw different conclusions. The researchers also note that the results could have been influenced by their volunteers’ own perceptions of themselves: Men who felt more confident in their penis size might have been more likely to participate in the study. Regardless, this is still the most comprehensive research so far.

Oh, and a final interesting tidbit: The study finds no correlation between a man’s foot size and penis length.